mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Andrej730
124 lines
7.3 KiB
Python
124 lines
7.3 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import numpy
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import pytest
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import test.bootstrap
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import ifcopenshell.api
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import ifcopenshell.util.element
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import ifcopenshell.util.placement
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class TestAssignContainer(test.bootstrap.IFC4):
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def test_assigning_a_container(self):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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subelement2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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rel = ifcopenshell.api.run(
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"spatial.assign_container", self.file, products=[subelement, subelement2], relating_structure=element
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)
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assert ifcopenshell.util.element.get_container(subelement) == element
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assert ifcopenshell.util.element.get_container(subelement2) == element
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assert rel.is_a("IfcRelContainedInSpatialStructure")
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def test_doing_nothing_if_the_container_is_already_assigned(self):
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement], relating_structure=element)
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total_elements = len([e for e in self.file])
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement], relating_structure=element)
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assert len([e for e in self.file]) == total_elements
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def test_that_old_containment_relationships_are_updated_if_they_still_contain_elements(self):
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element1 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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element2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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subelement1 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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subelement2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement1], relating_structure=element1)
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement2], relating_structure=element1)
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rel = subelement1.ContainedInStructure[0]
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assert len(rel.RelatedElements) == 2
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement1], relating_structure=element2)
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assert len(rel.RelatedElements) == 1
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def test_that_old_containment_relationships_are_purged_if_no_more_elements_are_contained(self):
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element1 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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element2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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subelement1 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement1], relating_structure=element1)
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rel_id = subelement1.ContainedInStructure[0].id()
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement1], relating_structure=element2)
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with pytest.raises(RuntimeError):
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self.file.by_id(rel_id)
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def test_assigning_a_container_does_not_shift_object_placements(self):
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ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcProject")
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ifcopenshell.api.run("unit.assign_unit", self.file)
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element1 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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element2 = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement], relating_structure=element1)
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matrix1 = numpy.array(
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(
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(1.0, 0.0, 0.0, 1.0),
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(0.0, 1.0, 0.0, 1.0),
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(0.0, 0.0, 1.0, 1.0),
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(0.0, 0.0, 0.0, 1.0),
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)
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)
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matrix2 = numpy.array(
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(
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(1.0, 0.0, 0.0, 2.0),
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(0.0, 1.0, 0.0, 2.0),
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(0.0, 0.0, 1.0, 2.0),
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(0.0, 0.0, 0.0, 1.0),
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)
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)
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ifcopenshell.api.run(
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"geometry.edit_object_placement", self.file, product=element1, matrix=matrix1.copy(), is_si=False
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)
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ifcopenshell.api.run(
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"geometry.edit_object_placement", self.file, product=element2, matrix=matrix2.copy(), is_si=False
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)
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ifcopenshell.api.run(
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"geometry.edit_object_placement", self.file, product=subelement, matrix=matrix1.copy(), is_si=False
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)
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement], relating_structure=element2)
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assert subelement.ObjectPlacement.PlacementRelTo.PlacesObject[0] == element2
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assert numpy.array_equal(ifcopenshell.util.placement.get_local_placement(subelement.ObjectPlacement), matrix1)
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def test_not_updating_placement_if_placement_is_not_relative(self):
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ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcProject")
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ifcopenshell.api.run("unit.assign_unit", self.file)
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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placement = self.file.createIfcGridPlacement()
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subelement.ObjectPlacement = placement
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement], relating_structure=element)
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assert subelement.ObjectPlacement == placement
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def test_removing_aggregation_if_it_exists(self):
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ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcProject")
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ifcopenshell.api.run("unit.assign_unit", self.file)
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element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcBuilding")
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aggregate = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcElementAssembly")
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subelement = ifcopenshell.api.run("root.create_entity", self.file, ifc_class="IfcWall")
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ifcopenshell.api.run("aggregate.assign_object", self.file, products=[subelement], relating_object=aggregate)
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ifcopenshell.api.run("spatial.assign_container", self.file, products=[subelement], relating_structure=element)
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assert not ifcopenshell.util.element.get_aggregate(subelement)
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